kdenlive-effect-generator/test_simple_loading.html at main · mannix-lei/kdenlive-effect-generator · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Simple Loading Test</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <div class="container mt-5">
        <h1>Simple Loading Test</h1>
        <button class="btn btn-primary" onclick="testLoading()">Test Loading</button>

        <div id="console-output" class="mt-3 p-3 bg-light">
            <h5>Console Output:</h5>
            <div id="log"></div>
        </div>
    </div>

    <!-- 简单的 CSS 加载遮罩 -->
    <div id="loadingOverlay" style="display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 9999; align-items: center; justify-content: center;">
        <div style="background: white; padding: 20px; border-radius: 8px; text-align: center;">
            <div class="spinner-border text-primary mb-3" role="status">
                <span class="visually-hidden">Loading...</span>
            </div>
            <p id="loadingMessage">正在加载...</p>
        </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
    <script>
        function log(message) {
            const logDiv = document.getElementById('log');
            logDiv.innerHTML += `<div>${new Date().toLocaleTimeString()}: ${message}</div>`;
            console.log(message);
        }

        function showLoading(message = '加载中...') {
            log('showLoading called with message: ' + message);

            const loadingOverlay = document.getElementById('loadingOverlay');
            const loadingMessage = document.getElementById('loadingMessage');

            if (loadingOverlay && loadingMessage) {
                loadingMessage.textContent = message;
                loadingOverlay.style.display = 'flex';
                log('Loading overlay shown');
            } else {
                log('Loading overlay elements not found');
            }
        }

        function hideLoading() {
            log('hideLoading called');

            const loadingOverlay = document.getElementById('loadingOverlay');

            if (loadingOverlay) {
                loadingOverlay.style.display = 'none';
                log('Loading overlay hidden');
            } else {
                log('Loading overlay element not found');
            }
        }

        async function testLoading() {
            try {
                log('Test starting...');
                showLoading('正在测试加载...');

                // Simulate some work
                await new Promise(resolve => setTimeout(resolve, 3000));

                log('Test completed');

            } catch (error) {
                log('Test error: ' + error.message);
            } finally {
                log('Test finally - hiding loading');
                hideLoading();
            }
        }
    </script>
</body>
</html>